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%I #11 Feb 23 2017 22:20:44
%S 0,0,1,1,1,0,0,1,1,1,0,0,1,1,1,1,1,2,2,1,1,1,2,1,2,0,1,0,1,2,1,1,1,2,
%T 2,1,1,1,2,2,1,1,1,1,2,1,1,2,1,1,0,1,1,2,2,0,1,2,2,2,0,1,2,0,0,1,0,2,
%U 1,1,1,1,2,1,0,1,0,2,1,2,1,1,1,1,2,1,1,1,2,1,1,1,2,1,2,0,0,1,1,0,0,0,1,1,1
%N Number of decimal digits ( counted with multiplicity ) in n but not in n^2.
%H Robert Israel, <a href="/A109072/b109072.txt">Table of n, a(n) for n = 0..10000</a>
%p f:= proc(n) local L2;
%p L2:= convert(n^2,base,10);
%p nops(remove(t -> member(t,L2), convert(n,base,10)));
%p end proc:
%p map(f, [$0..200]); # _Robert Israel_, Feb 22 2017
%t UnsortedComplement[x_List, y__List]:=Replace[x, Dispatch[(#\[RuleDelayed]Sequence[])&/@Union[y]], 1]; Table[Length[UnsortedComplement[IntegerDigits[n], IntegerDigits[n^2]]], {n, 0, 200}]
%Y Cf. A076493 (number of common and distinct decimal digits of n and n^2).
%Y Cf. A109071 (number of common decimal digits (counted with multiplicity) of n and n^2).
%K base,easy,nonn
%O 0,18
%A _Zak Seidov_, Jun 20 2005
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